void ShowActualPhotoPermissionAlert()
{
ALAssetsLibrary library = new ALAssetsLibrary();
library.Enumerate(ALAssetsGroupType.SavedPhotos, HandleALAssetsLibraryGroupsEnumerationResults, delegate(NSError obj)
{
FirePhotoPermissionCompletionHandler();
});
}
public override void ViewDidLoad()
{
base.ViewDidLoad ();
Title = "All Asset Groups";
// instantiate a reference to the shared assets library
assetsLibrary = new ALAssetsLibrary();
// enumerate the photo albums
assetsLibrary.Enumerate(ALAssetsGroupType.All, GroupsEnumerator,
(NSError e) => { Console.WriteLine ("Could not enumerate albums: " + e.LocalizedDescription); });
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
Title = "All Asset Groups";
// instantiate a reference to the shared assets library
assetsLibrary = new ALAssetsLibrary();
// enumerate the photo albums
assetsLibrary.Enumerate(ALAssetsGroupType.All, GroupsEnumerator,
(NSError e) => { Console.WriteLine("Could not enumerate albums: " + e.LocalizedDescription); });
}
static NSUrl fetchMovieUrl()
{
NSUrl movieURL = null;
var waitHandle = new AutoResetEvent(false);
ThreadPool.QueueUserWorkItem(_ => {
ALAssetsLibrary assetsLibrary = new ALAssetsLibrary();
assetsLibrary.Enumerate(ALAssetsGroupType.All, (ALAssetsGroup group, ref bool stop) => {
if (group == null)
{
waitHandle.Set();
return;
}
NSDate latest = NSDate.FromTimeIntervalSince1970(0);
group.Enumerate((ALAsset result, nint index, ref bool stopGroup) => {
if (result == null || result.AssetType != ALAssetType.Video)
{
return;
}
NSUrl url = result.DefaultRepresentation.Url;
if (url == null)
{
return;
}
var diff = result.Date.SecondsSinceReferenceDate - latest.SecondsSinceReferenceDate;
if (diff > 0)
{
latest = result.Date;
movieURL = url;
}
});
stop = movieURL != null;
}, (error) => {
waitHandle.Set();
});
});
waitHandle.WaitOne();
if (movieURL == null)
{
UIAlertView alertView = new UIAlertView(null, "Could not find any movies in assets library to use as sample content.", null, "OK", null);
alertView.Show();
}
return(movieURL);
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
NavigationItem.Title = NSBundle.MainBundle.LocalizedString("Loading", "Loading...");
var cancelButton = new UIBarButtonItem(UIBarButtonSystemItem.Cancel);
cancelButton.Clicked += CancelClicked;
NavigationItem.RightBarButtonItem = cancelButton;
AssetGroups.Clear();
Library = new ALAssetsLibrary();
Library.Enumerate(ALAssetsGroupType.All, GroupsEnumerator, GroupsEnumeratorFailed);
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
NavigationItem.Title = "Loading...";
var cancelButton = new UIBarButtonItem(UIBarButtonSystemItem.Cancel /*, cancelImagePicker*/);
cancelButton.Clicked += CancelClicked;
NavigationItem.RightBarButtonItem = cancelButton;
AssetGroups.Clear();
Library = new ALAssetsLibrary();
Library.Enumerate(ALAssetsGroupType.All, GroupsEnumerator, GroupsEnumeratorFailed);
}
public Task <IList <Picture> > LoadImagesAsync()
{
taskCompletionSource = new TaskCompletionSource <IList <Picture> >();
//Clean the mess
pictures.Clear();
var library = new ALAssetsLibrary();
library.Enumerate(ALAssetsGroupType.All, GroupEnumerator,
(NSError e) => {
Console.WriteLine("Could not enumerate albums: " + e.LocalizedDescription);
}
);
return(taskCompletionSource.Task);
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
var loading = string.IsNullOrWhiteSpace(LoadingTitle) ? NSBundle.MainBundle.GetLocalizedString("Loading", "Loading...") : LoadingTitle;
NavigationItem.Title = loading;
var cancelButton = new UIBarButtonItem(UIBarButtonSystemItem.Cancel);
cancelButton.Clicked += CancelClicked;
NavigationItem.RightBarButtonItem = cancelButton;
assetGroups.Clear();
library = new ALAssetsLibrary();
library.Enumerate(ALAssetsGroupType.All, GroupsEnumerator, GroupsEnumeratorFailed);
}
//AlAssetsGroupSavedPhotos
public void InitializePhotos()
{
assetsLibrary = new ALAssetsLibrary();
currentPhotoIndex = -1;
photoAssets = new List <ALAsset> (PHOTO_ASSETS_CAPACITY);
int photoIndex = 0;
bool syncContentController = true;
assetsLibrary.Enumerate(ALAssetsGroupType.Album, (ALAssetsGroup group, ref bool stop) => {
if (group != null)
{
string groupName = group.Name;
if (groupName.StartsWith(PNALBUM_PREFIX))
{
group.SetAssetsFilter(ALAssetsFilter.AllPhotos);
group.Enumerate((ALAsset asset, int index, ref bool st) => {
int notfound = Int32.MaxValue;
if (asset != null && index != notfound)
{
photoAssets.Add(asset);
photoIndex++;
currentPhotoIndex = 0;
}
if (photoIndex == PHOTO_ASSETS_CAPACITY)
{
st = true;
}
});
}
}
if (syncContentController)
{
syncContentController = false;
DispatchQueue.MainQueue.DispatchAsync(() => {
if (currentPhotoIndex == 0)
{
setCurrentPhotoToIndex(0);
}
((PhotoViewController)(ViewController.contentController)).Synchronize(currentPhotoIndex >= 0);
});
}
},
(NSError error) => {
Console.WriteLine("User denied access to photo Library... {0}", error);
});
}
public void RequestPhotoAccess(bool useImagePicker)
{
if (useImagePicker)
{
UIImagePickerController picker = new UIImagePickerController();
picker.Delegate = this;
PresentViewController(picker, true, null);
}
else
{
if (assetLibrary == null)
{
assetLibrary = new ALAssetsLibrary();
}
assetLibrary.Enumerate(ALAssetsGroupType.All,
delegate { }, delegate { });
}
}
private void GetAllAssets()
{
var assetsLibrary = new ALAssetsLibrary();
assetsLibrary.Enumerate(ALAssetsGroupType.All,
(ALAssetsGroup group, ref bool stop) =>
{
group?.SetAssetsFilter(ALAssetsFilter.AllPhotos);
group?.Enumerate((ALAsset asset, nint index, ref bool st) =>
{
int notfound = Int32.MaxValue;
if (asset != null && index != notfound)
{
Images.Add(new AssetImage(asset));
}
});
ReloadData();
},
(NSError obj) =>
{
});
}
public override void ViewDidLoad()
{
base.ViewDidLoad ();
NavigationItem.Title = NSBundle.MainBundle.LocalizedString ("Loading", "Loading...");
var cancelButton = new UIBarButtonItem (UIBarButtonSystemItem.Cancel);
cancelButton.Clicked += CancelClicked;
NavigationItem.RightBarButtonItem = cancelButton;
AssetGroups.Clear ();
Library = new ALAssetsLibrary ();
Library.Enumerate (ALAssetsGroupType.All, GroupsEnumerator, GroupsEnumeratorFailed);
}
//AlAssetsGroupSavedPhotos
public void InitializePhotos ()
{
assetsLibrary = new ALAssetsLibrary ();
currentPhotoIndex = -1;
photoAssets = new List<ALAsset> (PHOTO_ASSETS_CAPACITY);
int photoIndex = 0;
bool syncContentController = true;
assetsLibrary.Enumerate (ALAssetsGroupType.Album, ( ALAssetsGroup group, ref bool stop) => {
if (group != null) {
string groupName = group.Name;
if (groupName.StartsWith (PNALBUM_PREFIX)) {
group.SetAssetsFilter (ALAssetsFilter.AllPhotos);
group.Enumerate ((ALAsset asset, nint index, ref bool st) => {
int notfound = Int32.MaxValue;
if (asset != null && index != notfound) {
photoAssets.Add (asset);
photoIndex++;
currentPhotoIndex = 0;
}
if (photoIndex == PHOTO_ASSETS_CAPACITY) {
st = true;
}
});
}
}
if (syncContentController) {
syncContentController = false;
DispatchQueue.MainQueue.DispatchAsync (() => {
if (currentPhotoIndex == 0) {
setCurrentPhotoToIndex (0);
}
((PhotoViewController)(ViewController.contentController)).Synchronize (currentPhotoIndex >= 0);
});
}
},
(NSError error) => {
Console.WriteLine ("User denied access to photo Library... {0}", error);
});
}
public override void ViewDidLoad()
{
base.ViewDidLoad ();
NavigationItem.Title = Catalog.GetString ("Loading...");
var cancelButton = new UIBarButtonItem (UIBarButtonSystemItem.Cancel/*, cancelImagePicker*/);
cancelButton.Clicked += CancelClicked;
NavigationItem.RightBarButtonItem = cancelButton;
AssetGroups.Clear ();
Library = new ALAssetsLibrary ();
Library.Enumerate (ALAssetsGroupType.All, GroupsEnumerator, GroupsEnumeratorFailed);
}
static NSUrl fetchMovieUrl ()
{
NSUrl movieURL = null;
var waitHandle = new AutoResetEvent (false);
ThreadPool.QueueUserWorkItem (_ => {
ALAssetsLibrary assetsLibrary = new ALAssetsLibrary ();
assetsLibrary.Enumerate (ALAssetsGroupType.All, (ALAssetsGroup group, ref bool stop) => {
if (group == null) {
waitHandle.Set ();
return;
}
NSDate latest = NSDate.FromTimeIntervalSince1970(0);
group.Enumerate ((ALAsset result, nint index, ref bool stopGroup) => {
if(result == null || result.AssetType != ALAssetType.Video)
return;
NSUrl url = result.DefaultRepresentation.Url;
if (url == null)
return;
var diff = result.Date.SecondsSinceReferenceDate - latest.SecondsSinceReferenceDate;
if(diff > 0) {
latest = result.Date;
movieURL = url;
}
});
stop = movieURL != null;
}, (error) => {
waitHandle.Set ();
});
});
waitHandle.WaitOne ();
if (movieURL == null) {
UIAlertView alertView = new UIAlertView (null, "Could not find any movies in assets library to use as sample content.", null, "OK", null);
alertView.Show ();
}
return movieURL;
}
void ShowActualPhotoPermissionAlert()
{
ALAssetsLibrary library = new ALAssetsLibrary ();
library.Enumerate (ALAssetsGroupType.SavedPhotos, HandleALAssetsLibraryGroupsEnumerationResults, delegate (NSError obj)
{
FirePhotoPermissionCompletionHandler ();
});
}
/// <summary>
/// Initializes a new instance of the <see cref="Gallery.iOS.ImageHandler"/> class.
/// </summary>
public ImageHandler()
{
_assetLibrary = new ALAssetsLibrary();
_assets = new List <string> ();
_assetLibrary.Enumerate(ALAssetsGroupType.SavedPhotos, GroupEnumerator, Console.WriteLine);
}